New Delhi: Wealth of India’s business tycoons Mukesh Ambani and Gautam Adani swelled by up to 125 per cent in calendar year 2017.

With a rise of 124.6 per cent in net worth, Gautam Adani topped the list in terms of percentage gains. His net worth soared to $10.4 billion as of December 31, 2017 from $4.63 billion in January last year, according to data available with Bloomberg. Gautam Adani is the founder of Adani Group, the largest port operator in India.

He was followed by D-Mart owner Radhakishan Damani, whose wealth increased by nearly 80 per cent to $6.96 billion in December from $3.88 in March last year. Damani controls Avenue Supermarkets, a Mumbai-based retailer specialising in low-priced consumer goods.

Avenue Supermarts’ listing on the bourses in March 2017 gave a major boost to Damani’s wealth. Shares of the D-Mart owner listed at Rs 604, a 102 per cent premium to the issue price of Rs 299 in March 2017. It traded at Rs 1,235 on January 8, indicating a 340 per cent surge from the offer price. The public offer of Avenue Supermarts was subscribed 73.41 times.

Energy tycoon Mukesh Ambani’s net worth soared 77.53 per cent to $40.30 billion in 2017, making him the 20th richest person globally. His net worth was at $22.70 billion in January 2017.

The net worth of Kumar Birla, Azim Premzi, Uday Kotak, Vikram Lal and Lakshmi Mittal surged by 50.41 per cent, 46.72 per cent, 44.87 per cent, 44.03 per cent and 36.11 per cent, respectively, during the year.

On the other hand, wealth of world’s richest person Jeff Bezos increased 52 per cent to $99 billion as of December 31, 2017 from $65 billion in January 2017. Bezos is the founder and largest shareholder of the world’s biggest online retailer Amazon.

Total net worth of the second and third richest individuals, Bill Gates and Warren Buffett, soared 12 per cent and 17 per cent to $91.8 billion and $85.3 billion, respectively.